Home / 872,004.80-1,308,339.28-303,449.04

Finding the Fourth Proportional to 872,004.80, 1,308,339.28 and 303,449.04

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Solution

The fourth proportional to 872,004.80, 1,308,339.28 and 303,449.04 is: 455,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,004.80 : 1,308,339.28 = 303,449.04 : x
  2. Step 2: Convert to fraction form
    872,004.80/1,308,339.28 = 303,449.04/x
  3. Step 3: Cross multiply
    872,004.80x = 1,308,339.28 × 303,449.04
  4. Step 4: Simplify right side
    872,004.80x = 397,014,298,510.29
  5. Step 5: Solve for x
    x = 397,014,298,510.29/872,004.80
  6. Step 6: Final answer
    x = 455,289.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.